/Engine/Plugins/Media/MediaIOFramework/Source/MediaIOCore/Public/MediaIOCoreSampleContainer.h
bool FetchSample ( [TRange](API\Runtime\Core\Math\TRange)< [FTimespan](API\Runtime\Core\Misc\FTimespan) > TimeRange, [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< SampleType, ESPMode::ThreadSafe > & OutSample )